If a contract results from physical compulsion or threat(duress), it is no contract at all because the victim is a mere mechanical instrument whose action is therefore ineffective to manifest assent.

• 如果合同是强迫或威胁（胁迫）的结果，那它就根本不是合同，因为受害者仅仅成了一个机械工具，因此他的行为不具有表达同意的效力。